The Hunt and Douglas process for extracting copper from its ores
Subtitle: with an appendix including notes on the treatment of silver and gold ores.
Contributors: Douglas, James, 1837-1918.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 07746; CIHM/ICMH microfiche series -- no. 07746
Publisher: A.A. Kingman
Published: 1876
Place of publication: Boston
Language: eng
Format: Microform
Number of pages: 26
Subjects: Copper -- Metallurgy.; Silver.; Cuivre -- Métallurgie.; Argent.